wagner and christopher walken. today the coroner released an amended report explaining why they changed the death certificate last year to stay "drowning and other undetermined factors." it is because an autopsy showed she had unexplained bruising on her upper body but this wasn't enough evidence to determine if anyone else was determined if the death. >> you need to monitor your teen's online activists but a study speaks to why it is extra important for girls. researchers studied girls ages 14 to 17 and found 30 percent met in person at least one individual who they first met online and 20 percent reported some online sexual solicitation. half the girls were victims of abuse or neglect. that group is more prone to higher risk internet behavior. >> a program to make it safer for kids to walk or bicycle to school is working in the biggest city in new york, the safe routes to school program is in effect in many cities including here in the bay area. columbia university researchers evaluated new york's program and fou